21546131046033 has 32 divisors (see below), whose sum is σ = 32499343199232. Its totient is φ = 12581982417600.

The previous prime is 21546131046019. The next prime is 21546131046101. The reversal of 21546131046033 is 33064013164512.

It is not a de Polignac number, because 21546131046033 - 2¹⁰ = 21546131045009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21546131045982 and 21546131046000.

It is not an unprimeable number, because it can be changed into a prime (21546131048033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85535883 + ... + 85787408.

It is an arithmetic number, because the mean of its divisors is an integer number (1015604474976).

Almost surely, 2^{21546131046033} is an apocalyptic number.

It is an amenable number.

21546131046033 is a deficient number, since it is larger than the sum of its proper divisors (10953212153199).

21546131046033 is a wasteful number, since it uses less digits than its factorization.

21546131046033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171323445.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 21546131046033 in words is "twenty-one trillion, five hundred forty-six billion, one hundred thirty-one million, forty-six thousand, thirty-three".